/Engine/Source/Runtime/SignalProcessing/Public/DSP/SpectrumAnalyzer.h
Output. Used to lock the most recent buffer we analyzed. OutTimestamp is populated with the timestamp associated with the buffer wehn StopWorkOnBuffer is called.
const [FAlignedFloatBuffer](API\Runtime\SignalProcessing\DSP\FAlignedFloatBuffer) & LockMostRecentBuffer ( double & OutTimestamp ) const